Add initial CMake support for Intel Linux compiler
Add initial CMake support for Intel Linux compiler

Also gave CLANG its own definition as this will probably be used in the future.

mathstuf/oce,BenoitPerrot/oce,EvgeneOskin/oce,finetjul/oce,BenoitPerrot/oce,heartvalve/oce,mathstuf/oce,tpaviot/oce,heartvalve/oce,tpaviot/oce,Tech-XCorp/oce,heartvalve/oce,EvgeneOskin/oce,EvgeneOskin/oce,BenoitPerrot/oce,finetjul/oce,Tech-XCorp/oce,Tridify/oce,mathstuf/oce,mathstuf/oce,tpaviot/oce,finetjul/oce,Tech-XCorp/oce,Tech-XCorp/oce,Tridify/oce,heartvalve/oce,BenoitPerrot/oce,Tridify/oce,tpaviot/oce,Tridify/oce,mathstuf/oce,EvgeneOskin/oce,finetjul/oce,BenoitPerrot/oce,tpaviot/oce,Tridify/oce,Tech-XCorp/oce,finetjul/oce,heartvalve/oce,EvgeneOskin/oce